Harderwykenburg, Medieval stone house in Leer, Germany.
The Harderwykenburg features thick exterior walls measuring between 0.96 and 1.23 meters, constructed with stones from a former monastery.
Built after 1450, the structure belonged to chieftain Hayo Unken before passing to Dietrich Harderwyk through marriage to Hayo Unken IV's daughter in 1588.
The building represents a steenhuis, a type of fortified dwelling common in East Frisia, featuring a tower design with a later two-story extension.
Located at Alte Marktstraße 3 in Leer, the structure maintains its original medieval architecture and includes surrounding gardens for visitors.
The initial construction measured precisely 8.09 by 11.13 meters, making it one of the most accurately documented medieval stone houses in East Frisia.
Location: Leer
Address: Alte Marktstraße 3, 26789 Leer
GPS coordinates: 53.22952,7.44823
Latest update: March 2, 2025 23:20
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